Ulster will travel to face Harlequins in their first ever Challenge Cup match as they enter the competition at the round of 16 stage.
The winner of this tie will travel and take on either Northampton Saints or Dragons in the quarter finals. Both ties will be played on consecutive weekends with the round of 16 being played on 2-4th April and the quarter final being played on 9-11th April.
Ulster have faced Harlequins four times in the last four years in the Heineken Cup and have recorded wins in all matches.
Harlequins are in a rich vein of form in the Gallagher Premiership having recorded four wins out of their last five matches including a thumping . . .